.container {
    width: 100%;
    height: 100vh;
    background-color: #F5F5F5;
    justify-content: center;
    align-items: center;
    display: flex;
    flex-direction: column;
}

.qrcode_img {
    width: 50%;
    top: 50%;
    left: 50%;
}

.qrcode_tips{
    line-height: 1.5;
    margin-top: 20px;
    width: 80%;
    text-align: center;
}
